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Questions tagged [properties]

Questions about accessing object properties or attributes while scripting

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25 views

How to draw a node group in a layout panel using python

I just made that node group and i just wanted that this node group should appear in Properties panel in 3d view which appears when 'N' Key is Pressed this should look like this in materials tab can ...
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Initialize and add to a list of unknown length (bpy.props)

Trying to initialize an empty list that will later be populated by an operator. The list can either be populated with objects or object location tuples. Pseudocode Ideally the code would look ...
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Property set/get example for operator needed [duplicate]

Still trying to wrap a property into my Addon where I can dynamically control the values of the resulting variable. Take the default operator_mesh_add example and alter the definition of the width ...
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1answer
54 views

Get value of FloatProperty

Probably this is a very newbie question, but I am having issues trying to access the value of a FloatProperty. I have something like: ...
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7 views

Addon Properties for Material, Objects etc

we are working on a Addon to import W3D files used in the old CnC, and Battle for Middle Earth games. In order to import these files properly we have to add some custom properties to the object and ...
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Can you change the sampling settings per object?

I am wondering if it's possible to change the sampling or otherwise the render quality per object in a scene. The use case is if I know an object will appear essentially the same with lower sampling ...
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1answer
21 views

Blender 2.80 - Why can't I see Archimesh' properties?

I'm trying to create a room on a new installation of blender... When I press the N Key, I see the following on the properties window... The Teansform properties are showing, and the global properties ...
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1answer
12 views

Animate Glass BSDF Index of Refraction over Time?

Is there a way to animate the index of refraction of a glass material so that it will change from say 1.1 at frame 10 to 1.8 at frame 30?
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Does the function “copy to selected” for value of a custom property to all selected bones no longer work in Blender 2.8?

I've created a custom property on multiple bones of the same rig to drive constraint influences, for example: I have the bone "eye.r" with the custom property "auto eyelid" to control the influence of ...
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1answer
25 views

Add-On Dev: Access Property Details

This question has likely been asked before. I tried to search, but I honestly don't know how to phrase the question specifically enough to find anything. If I define a property inside of a class like ...
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2answers
50 views

How to get / set attributes scene property in blender 2.79?

This question has already been asked for blender 2.8, now that I have had an answer I quote the code fragment of @aliasguru's answer (How to write __annotations__ (scene property) in new scene?) ...
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26 views

how to intertwine two strings together into a single string

I was able to make the rope, but the result was bad, does anyone know how to make power by the function of the modifier?
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39 views

Blender Dev: Global location to store project properties?

Is there anything more global than a scene that can contain project-related properties that should be saved to each *.blend file? Since a single file/project can contain any number of scenes, where ...
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Finding display state of a dynamic property

There is a BoolProperty p defined in a custom PropertyGroup class; and p is displayed in a panel based on some conditions (say cond1). Later in the code, I need to find out whether p was displayed ...
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2answers
17 views

Can't access custom properties of a linked characters proxy rig

I have a rigified character. I added a custom property to the rig object to drive a shape key on the face. It works as expected in the original file: the custom property slider of the rig drives the ...
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1answer
70 views

How to change a *VectorProperty size?

Let's say I've created a scene property named a: ...
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1answer
21 views

Can a EnumProperty have dynamic name?

I have defined a custom Enum property for the Material type: ...
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1answer
48 views

How to write __annotations__ (scene property) in new scene?

I have a scene with custom properties, written in a class, I am now able to access the values of these properties, I would like to know how to write these values in a new scene. For example: This is ...
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25 views

Is there a way to memorize properties that refer to the project and not to the scene?

I have properties pi like bpy.props.PointerProperty, this is very useful to me, I often use them to refer to the scene in use, but I'm having to create new scenes and all references to other scenes ...
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1answer
23 views

How do I access a property in the Preferences in 2.80 with Python?

I want to place a shortcut in the panel I'm creating for changing the F-curves Default Interpolation Type found in Preferences> Animation> F-Curves. I have the Python Tooltips enabled and it says: <...
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1answer
18 views

BGE animation property?

Is it possible to give an animation frame a property so to say? I want to hold down a button and play the beginning or first half of my animation. Call it frame 1-12. A flipper animation. IF you ...
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0answers
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How to create a property, in owner, from python level

Hello there. I am creating a game in UpBGE, and I am often use python to it. A moment ago I encountered a problem: I do not really know, how to create a property, in owner, from python level. ...
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1answer
42 views

Python: template_ID()-like UI for PropertyGroup

For a Blender add-on I am trying to create an UI that let's the user choose from a list of existing instances of a PropertyGroup stored in a CollectionProperty create new instances of that ...
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1answer
67 views

Creating a Custom Properties Tab in Blender 2.80

I have a suite of several addons that I grouped together in a custom tab in Blender 2.7x, assigning the bl_category to the name of my custom suit: ...
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20 views

How to apply PropertyGroup to individual data objects?

There's a piece I'm missing on how the PropertyGroup works. I thought that assigning each to an object would hold the data and be available for manipulation later. However the display through the ...
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1answer
24 views

How do i display the Lengths of an object in 2.8

How do i show the lengths of objects in 2.8?. For example in 2.79 i could scale a wall or floor and it would display the length on the edges.
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1answer
55 views

Bring up the operation panel

How do you bring up the operations panel for an object after accidentally clicking into the 3D View? For example when you bring in an cylinder you can set its properties i.e. the number of vertices ...
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1answer
15 views

Viewport perspective not indicating what view I'm in

Even though i know the viewports and what num.keys they correspond to by heart blender is not showing what perspective i'm on in the top left corner, even if a start a new scene. The only way i been ...
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2answers
110 views

Is it possible to access an array in a custom property in a driver?

In a new project I've add a custom property to the default cube: bpy.data.objects["Cube"]["positions"] = [4,3,2,1] Is it possible to access this array from a ...
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1answer
21 views

unchangeable properties of new meshes [duplicate]

i have been using blender 2.8 for a couple of months but now i am stuck with a problem. I cant alter the properties of a new mesh in object mode. i need to reduce the vertices of a sphere but the ...
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1answer
35 views

Properties and Outliner visibility

Properties and outliner not showing at the same time in the layout tab. How do I have them both visible at the same time? I can only see one or the other.
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1answer
43 views

How to scale plane 2d with bmesh and floatproperty in ui?

THe classic method of scale 2d object is like to ...
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1answer
249 views

How to have a custom floatproperty based on the selected face? (Knowing that it is not possible)2.8

Reading here and I saw that there is no possibility of having a custom property based on a selected face, but in blender I think you can do "Hackerate" and fly over this problem. I think for example, ...
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2answers
213 views

How to edit a custom property in a python script?

I am creating a custom property on an Empty in a script, and then editing the property's data such as the name, limits, and Tooltip description. I am using the commands echo'ed from the info panel ...
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1answer
42 views

Symmetry and Alignment

I'm creating a snowman while watching a tutorial so I got these 2 eyeballs on him how do I make sure that they are on symetrical spots on the huge snowball of the head, and how do I make sure that all ...
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8 views

Error message while I trying to rename custom properties

Blender is giving me this error message while I try to rename custom properties.
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2answers
78 views

Create a tree of properties?

My add-on acts upon a hierarchy of data (a tree). I am not sure how best to represent this hierarchy as properties to expose the data to the user. For simplicity, let us define an example: say that ...
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12 views

Customs boolean property for Material slot?

Is possible register a custom property (boolean) to be assigned to the active material slot? Normally for object property i use : class Property_Settings(bpy.types.PropertyGroup): ...
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1answer
366 views

register group of properties 2.8 [duplicate]

I'm updating my addon to 2.80 and I'm stuck with the new register class system. I try to follow the answer here but I'm not good enough as a coder to understand the solution. The problem comes to ...
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1answer
32 views

How can make the state of a boolean property relative to the 3d view area?

I need to keep unique boolean properties attached to screen area (view 3d) which may have at the same time different states depending on the context view area, like propertie lock camera to view or ...
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1answer
186 views

How to display and use operator properties in a custom UI panel?

For example, as you can see in the keymap preferences, there are operators that have properties, like this Smooth Vertices: With this little code ...
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1answer
42 views

Edit custom properties cycles_visibility

After boolean operation with BoolTool addon new line appeared in cycles_visibility under custom properties. After that, object is no longer visible on render. How to remove this line?
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0answers
35 views

One shared material with different custom property for each object

I'm trying to procedurally generate a scene with several objects (cubes for now!) sharing a single material, but appearing and fading out at different times. So far, I have been able to place the ...
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1answer
30 views

Is there a way to project field of view lines outward to look for camera overlap?

I am configuring a camera arrangement in a room for a MoCap system. I would like to know beforehand whether or not every camera will have at least one overlapping camera FOV over the volume in which ...
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why does my world property look diffent from this one? [duplicate]

Someone was helping me with ambient light and showed me this from 2.79 and mine looks like the second picture. Why?
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1answer
59 views

How to use CSV values to drive object scale?

CONTEXT: I am trying to create a 3D Data-Viz project that will take values from a CSV file and use certain values to drive the Z-scale of simple cubes that will stretch vertically as a value gets ...
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1answer
88 views

How to register a single property (not a property group) in blender 2.8? (Python API)

How to register a single property (not a property group) in blender 2.8? My attempt This is what I am doing at the moment inside my addon __init__.py: ...
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1answer
21 views

Take current rotation or coordinates as zero?

Let's say I have object rotated at 19 degrees and I want to keep current rotation, but I need to see 0 in rotation field.
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2answers
289 views

Can't see Physics tab in Properties Panel in Blender

strong text I have Windows 7.Blender version is 2.79 and I can't see any tab after the wrench icon in Properties Panel.
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How to save properties of object in linked file?

I have few imported objects from outside blend file. I can add a property to every object (imported or not). But after reloading a file, only property from local objects are saved. How can I save ...